---
title: "Canadian Solar vs Silfab - Brand Comparison | ComparePV"
description: "Compare Canadian Solar vs Silfab solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/canadian-solar-vs-silfab"
---

# Canadian Solar vs Silfab

Canadian Solar has the broader catalog (292 vs 47 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup).


## The two companies


| Attribute | Canadian Solar | Silfab |
| --- | --- | --- |
| Country | Canada | Canada |
| Headquarters | Kitchener | Mississauga |
| Founded | 2001 | 2010 |
| Employees | 17,113 | 800+ |
| Annual capacity | 51 GW/year | 1.6 GW/year |
| Tier 1 | yes | yes |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://www.silfabsolar.com](https://www.silfabsolar.com) |

Canadian Solar Inc. is a global renewable energy company founded in 2001. Headquartered in Kitchener, Ontario, it manufactures solar PV modules and provides battery energy storage solutions. The company also develops utility-scale solar power and battery energy storage projects.

Silfab Solar is a North American leader in the design, development, and manufacture of high-efficiency, premium-quality solar cells and modules. Leveraging over 40 years of solar experience, they operate fully automated facilities in Washington, South Carolina, and Ontario, Canada. Their products are designed and...


## Catalog & Power


| Measure | Canadian Solar | Silfab | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 47 | +245 |
| Max Power | 730 W | 640 W | +90 W |
| Avg Power | 472 W | 429 W | +43 W |


## Efficiency


| Measure | Canadian Solar | Silfab | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 22.92% | +1.48 pp |
| Avg Efficiency | 20.66% | 20.56% | +0.09 pp |


## Reliability & Warranty


| Measure | Canadian Solar | Silfab | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.341%/°C | +0.010 |
| Bifacial Share | 133 (46%) | 14 (30%) | +16 pp |
| Avg Warranty | 28.2 yrs | 30.0 yrs | +1.8 yr |


## Efficiency distribution

Canadian Solar skews to higher efficiency: 13% of lineup is 23%+


| Efficiency band | Canadian Solar | Silfab |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 19 (40.4%) |
| 20-21% | 36 (12.3%) | 5 (10.6%) |
| 21-22% | 41 (14.0%) | 10 (21.3%) |
| 22-23% | 50 (17.1%) | 13 (27.7%) |
| 23%+ | 37 (12.7%) | 0 |


## Power distribution

Canadian Solar offers more 600W+ panels (24% of lineup)


| Power band | Canadian Solar | Silfab |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 22 (46.8%) |
| 400-499W | 72 (24.7%) | 10 (21.3%) |
| 500-599W | 45 (15.4%) | 12 (25.5%) |
| 600-699W | 64 (21.9%) | 3 (6.4%) |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

Dominant cell tech: **PERC** (67%)

Dominant cell tech: **PERC** (45%)


| Technology | Canadian Solar | Silfab |
| --- | --- | --- |
| PERC | 195 (66.8%) | 21 (44.7%) |
| TOPCon | 85 (29.1%) | 1 (2.1%) |
| HJT | 12 (4.1%) | 0 |
| N-type | 0 | 19 (40.4%) |
| Unknown | 0 | 6 (12.8%) |


## Top panels, Canadian Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CS7N-730TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-730tb-ag) | 730 | 23.5 | -0.290 | Monocrystalline |
| 2 | [CS7N-725TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-725tb-ag) | 725 | 23.3 | -0.290 | Monocrystalline |
| 3 | [CS7N-720TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-720tb-ag) | 720 | 23.2 | -0.290 | Monocrystalline |
| 4 | [CS7N-715TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-715tb-ag) | 715 | 23.0 | -0.290 | Monocrystalline |
| 5 | [CS7N-710TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-710tb-ag) | 710 | 22.9 | -0.290 | Monocrystalline |
| 6 | [CS7N-705TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-705tb-ag) | 705 | 22.7 | -0.290 | Monocrystalline |
| 7 | [CS7N-700TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-700tb-ag) | 700 | 22.5 | -0.290 | Monocrystalline |
| 8 | [CS7N-695TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-695tb-ag) | 695 | 22.4 | -0.290 | Monocrystalline |
| 9 | [CS7N-690TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-690tb-ag) | 690 | 22.2 | -0.290 | Monocrystalline |
| 10 | [CS7N-675MS](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-675ms) | 675 | 21.7 | -0.340 | Monocrystalline |


## Top panels, Silfab


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SIL-640 XL](https://comparepv.com/panel/silfab-sil-640-xl) | 640 | 22.9 | -0.290 | Monocrystalline |
| 2 | [SIL-630 XL](https://comparepv.com/panel/silfab-sil-630-xl) | 630 | 22.6 | -0.290 | Monocrystalline |
| 3 | [SIL-620 XL](https://comparepv.com/panel/silfab-sil-620-xl) | 620 | 22.2 | -0.290 | Monocrystalline |
| 4 | [SIL-590 XM+](https://comparepv.com/panel/silfab-sil-590-xm) | 590 | 22.8 | -0.290 | Monocrystalline |
| 5 | [SIL-580-XM+-BIFACIAL](https://comparepv.com/panel/silfab-sil-580-xm-bifacial) | 580 | 22.4 | -0.290 | Monocrystalline |
| 6 | [SIL-570 XM+ BIFACIAL](https://comparepv.com/panel/silfab-sil-570-xm-bifacial) | 570 | 22.1 | -0.290 | Monocrystalline |
| 7 | [SIL-570 XM+](https://comparepv.com/panel/silfab-sil-570-xm) | 570 | 22.1 | -0.290 | Monocrystalline |
| 8 | [SIL-540-XM-BIFACIAL](https://comparepv.com/panel/silfab-sil-540-xm-bifacial) | 540 | 22.7 | -0.290 | Monocrystalline |
| 9 | [SIL-530 QM](https://comparepv.com/panel/silfab-sil-530-qm) | 530 | 22.3 | -0.290 | Monocrystalline |
| 10 | [SIL-530 XM](https://comparepv.com/panel/silfab-sil-530-xm) | 530 | 22.3 | -0.290 | Monocrystalline |


## Summary

Canadian Solar was founded in Canada in 2001 and has grown into a globally listed (NASDAQ) manufacturer with manufacturing spread across China, Southeast Asia, and an expanding US footprint. It consistently appears on Tier 1 and bankability lists, and its annual module production capacity is reported in the range of roughly 50 GW, giving it substantial scale and strong recognition among project financiers worldwide. Silfab Solar, also Canadian in origin, operates a much smaller, regionally focused manufacturing base in Canada and the United States, including a newer Fort Mill, South Carolina facility; it too holds Tier 1 status, independently vetted by Kiwa-PVEL and RETC testing labs, but its institutional footprint rests on North American domestic content rather than global scale.

Canadian Solar's product range centers on TOPCon n-type modules such as the TOPHiKu6 and TOPBiHiKu7 lines, alongside an emerging HJT lineup, serving residential, commercial and industrial, and utility-scale ground-mount projects alike. Silfab's portfolio is more narrowly targeted at North American residential and C&I buyers, with the Prime series (N-type, black aesthetic panels) for homeowners, the flagship Elite series using proprietary X-Cell back-contact design for maximum efficiency, and a Commercial NTC line for larger installations; utility-scale offerings are a more recent addition for the company.

For a typical buyer, Canadian Solar is the more broadly available and better-proven choice for large-scale or price-sensitive projects thanks to its manufacturing scale, while Silfab's appeal is concentrated in US and Canadian markets seeking domestically produced, high-efficiency residential and commercial panels. The two are not truly interchangeable outside North America - Silfab is essentially unavailable in most international markets - so the right pick depends heavily on project location and whether domestic-content requirements or global scale matter more.

Written by claude-sonnet-5 from the figures above.


## Other comparisons

- [Canadian Solar vs A.B. Energy](https://comparepv.com/canadian-solar-vs-a-b-energy)
- [AE Solar vs Silfab](https://comparepv.com/ae-solar-vs-silfab)
- [Canadian Solar vs AEET](https://comparepv.com/canadian-solar-vs-aeet)
- [AIKO vs Silfab](https://comparepv.com/aiko-vs-silfab)
- [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome)
- [ARTsolar vs Silfab](https://comparepv.com/artsolar-vs-silfab)


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Source: https://comparepv.com/canadian-solar-vs-silfab

Not in this file, on the page: the distributions above drawn as charts.